Method for transmitting pseudolite system messages, pseudolite positioning system and associated device

1. A method for pseudolite system messaging, comprising: receiving, by a pseudolite from a wireless access point through a receiving channel, control signaling, as well as a node parameter of a neighbor pseudolite adjacent to or close to the pseudolite; sending, by the pseudolite on a positioning system message broadcast channel configured on the pseudolite, a node parameter of the pseudolite, and the node parameter of the neighbor pseudolite; sending, by the pseudolite on the positioning system message broadcast channel, information on a positioning signal transmitting mode for transmitting a positioning signal by the pseudolite, and information on a positioning signal transmitting mode for transmitting a positioning signal by the neighbor pseudolite; and sending, by the pseudolite through a positioning signal transmitting channel, a radio positioning signal, such that a radio positioning User Equipment UE performs positioning signal measurement and/or positioning according to the node parameters acquired from the positioning system message broadcast channel, wherein the node parameter of a pseudolite comprises information on a pseudo random sequence used in a positioning signal transmitted by the pseudolite.

2. The method according to claim 1 , wherein the information on the positioning signal transmitting mode corresponding to a pseudolite comprises information on a period of time in which a positioning signal is transmitted and/or information on a period of time in which no positioning signal is transmitted.

3. The method according to claim 1 , wherein the node parameter of a pseudolite comprises information on geographical coordinates of the pseudolite.

4. A pseudolite, comprising: a processor; and a non-transitory computer-readable storage medium storing an instruction executable by the processor, wherein the processor is configured for: receiving, from a wireless access point through a receiving channel, control signaling, as well as a node parameter of a neighbor pseudolite adjacent to or close to the pseudolite: sending, on a positioning system message broadcast channel configured on the pseudolite, a node parameter of the pseudolite, and the node parameter of the neighbor pseudolite; sending, on the positioning system message broadcast channel, information on a positioning signal transmitting mode for transmitting a positioning signal by the pseudolite, and information on a positioning signal transmitting mode for transmitting a positioning signal by the neighbor pseudolite; and sending, through a positioning signal transmitting channel, a radio positioning signal, such that a radio positioning User Equipment UE performs positioning signal measurement and/or positioning according to the node parameters acquired from the positioning system message broadcast channel, wherein the node parameter of a pseudolite comprises information on a pseudo random sequence used in a positioning signal transmitted by the pseudolite.

5. The pseudolite according to claim 4 , wherein the information on the positioning signal transmitting mode corresponding to a pseudolite comprises information on a period of time in which a positioning signal is transmitted and/or information on a period of time in which no positioning signal is transmitted, wherein the node parameter of a pseudolite comprises information on geographical coordinates of the pseudolite.

6. The pseudolite according to claim 4 , wherein the processor is further configured for: receiving, from the wireless access point through the receiving channel, operating mode configuration for configuring an operating mode of the pseudolite, wherein the operating mode configuration comprises at least one of: a transmitting power of the positioning signal transmitting Channel; a transmitting timing of the positioning signal transmitting Channel; a transmitting frequency of the positioning signal transmitting Channel; a duty cycle of the positioning signal transmitting Channel; and a positioning signal modulation mode, wherein the processor is further configured for: sending, through a pseudolite registering channel, the wireless access point the node parameter of the pseudolite, the node parameter of the pseudolite comprising at least one of: information on geographical coordinates of the pseudolite; a maximal transmitting power of the pseudolite; and an operating frequency band supported by the positioning signal transmitting channel of the pseudolite.

7. A pseudolite positioning system, comprising: at least one wireless access point, at least one radio positioning User Equipment UE, two or more pseudolites according to claim 4 ; and a pseudolite managing unit, comprising: a second processor; and a second non-transitory computer-readable storage medium storing an instruction executable by the processor, wherein the second processor is configured for: acquiring a node parameter of a pseudolite and a node parameter of a neighbor pseudolite adjacent to or close to the pseudolite; sending the neighbor pseudolite at least one node parameter of the pseudolite through a downlink channel of the at least one wireless access point, wherein the at least one wireless access point is configured for: sending, through a channel indicating channel, a channel indication to a radio positioning UE in a service area of the wireless access point, the channel indication indicating a positioning system message broadcast channel configured on a pseudolite; wherein the at least one radio positioning UE is configured for: receiving a channel indication sent by a wireless access point, the channel indication indicating a positioning system message broadcast channel configured on a pseudolite; accessing the positioning system message broadcast channel indicated by the channel indication; acquiring, from the positioning system message broadcast channel, a node parameter of the pseudolite, and a node parameter of a neighbor pseudolite adjacent to or close to the pseudolite.

8. The system according to claim 7 , wherein the second processor is further configured for: configuring, through the at least one wireless access point, operating mode configuration for configuring an operating mode of a pseudolite, the operating mode configuration comprising at least one of: a transmitting power of a positioning signal transmitting Channel; a transmitting timing of the positioning signal transmitting Channel; a transmitting frequency of the positioning signal transmitting Channel; a duty cycle of the positioning signal transmitting Channel; and a positioning signal modulation mode.